Night Light of São José de Ribamar (Maranhão) from space (Brazil) Src. Average luminocity for 10x10km area is 40.4372% and for 50x50km: 21.2118%.
Square area 10x10 km:
 3.25%
 6.93%
 11.9%
 4.33%
 7.36%
 5.41%
 2.6%
 1.73%
 12.55%
 27.06%
 16.88%Square area 50x50 km:
 5.36%
 4.4%
 4.12%
 2.25%
 2.41%
 2.59%
 1.88%
 1.81%
 2.91%
 5.69%
 66.59%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
1° 51' 33.6" South, 44° 45' 26.3" West
2° 33' 43" South, 44° 3' 15" West
3° 15' 50.9" South, 43° 21' 3.8" West
Some cities around São José de Ribamar sort by population:
• São Luís
		27.8 km =17.3 mi, 
277°
• Itapecuru Mirim
		98.3 km =61.1 mi, 
200°
• São Bento
		86.5 km =53.7 mi, 
260°
• Urbano Santos
		101.9 km =63.3 mi, 
134°
• Bequimão
		81.9 km =50.9 mi, 
278°
• Alcântara
		43.9 km =27.3 mi, 
293°
• Anajatuba
		100.2 km =62.3 mi, 
218°
• Humberto de Campos
		66 km =41 mi, 
93°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016